[URL="http://api.tweetmeme.com/share?url=http://sports.espn.go.com/nfl/recap?gameId=301031025&campaign=rss&source=NFLHeadlines&service=bit.ly&source=espn"][IMG]http://api.tweetmeme.com/imagebutton.gif?url=http://sports.espn.go.com/nfl/recap?gameId=301031025&campaign=rss&source=NFLHeadlines[/IMG][/URL]Backup Troy Smith found his range in the fourth quarter to lead the San Francisco 49ers to a 24-16 win over the Denver Broncos on Sunday in the NFL's fourth regular-season game in London.